void IDisposable.Dispose()
{
if (_manager != null)
{
_manager.UnregisterNetworkCallback(this);
}
}
public WifiHandler()
{
this.context = Android.App.Application.Context;
_connectivityManager = Application.Context.GetSystemService(Context.ConnectivityService) as ConnectivityManager;
_callback = new NetworkCallback
{
NetworkAvailable = network =>
{
// we are connected!
_callbackStatus = $"Requested network connected";
_connectivityManager.BindProcessToNetwork(network);
Static.RuntimeSettings.IsWifiRequestingFinished = true;
},
NetworkUnavailable = () =>
{
_callbackStatus = $"Requested network unavailable";
Static.RuntimeSettings.IsWifiRequestingFinished = true;
},
NetworkLost = network =>
{
_callbackStatus = $"Requested network lost";
_connectivityManager.BindProcessToNetwork(null);
_connectivityManager.UnregisterNetworkCallback(_callback);
}
};
}
private void UnregisterNetworkCallback()
{
if (connectivityCallback == null)
{
return;
}
ConnectivityManager connManager = (ConnectivityManager)GetSystemService(Context.ConnectivityService);
if (connManager != null)
{
connManager.UnregisterNetworkCallback(connectivityCallback);
connectivityCallback = null;
}
}
public void Disconnect()
{
this.msgPump.Disconnect();
if (this.connectCallback != null)
{
// Some note that sometimes you need to force un-bind
ConnectivityManager cm = this.GetConnectivityManager();
cm.BindProcessToNetwork(null);
cm.UnregisterNetworkCallback(this.connectCallback);
this.connectCallback.Dispose();
this.connectCallback = null;
}
if (this.network != null)
{
this.network.Dispose();
this.network = null;
// Bug in the connect callback returns immediately if socket
// is still detected. Then a second time. Looks like time is
// required to shut down but no synchronisation is provided
Thread.Sleep(100);
}
}
